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Difficulties in the normalization of aminotransferase measurement with enzyme standards
Journal of Clinical Chemistry and Clinical Biochemistry. Zeitschrift Fur Klinische Chemie Und Klinische Biochemie
|April 1, 1985
Abstract:
Commercial control sera contain varying amounts of pyridoxal-5'-phosphate. Normalization of aminotransferase activity measurement with enzyme "standards" is possible only when pyridoxal-5'-phosphate is added to the reaction medium. Pyridoxal-5'-phosphate addition should be compulsory in national recommendations.